Jupiter is bigger than all the other planets combined.
254
The earth travels through space at 660,000 miles per hour.
189
The typical spec of dust that you see floating in the air is half way in size between the Earth and a subatomic particle.
131
41% of the moon is not visible from earth at any time.
103
A comet's tail always points away from the sun.
2
The population of the Earth has more than doubled since 1950.
151
Jupiter has radio storms so strong that they can be picked up and heard by an AM radio.
16
There are 5 to 10 times more stars in the known Universe than there are grains of sand on all the world's beaches, but a single grain of sand has more atoms than there are stars in the known Universe.
20